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Mexico
Santa Barbara Mine (IMMSA Operation)

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 Location:
18 km SW from Hidalgo del Parral, Chihuahua, Mexico

  Address:
Sin Nombre Mo. 136 Felipe Ángeles Colonia Santa Bárbara Centro
Santa Bárbara
Chihuahua, Mexico
33580
Phone  ...  Subscription required
Fax628-524-0246
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Zinc
  • Lead
  • Copper
  • Silver
  • Gold
Mining Method
  • Cut & Fill
  • Shrinkage stoping
  • Bench stoping
  • Longhole open stoping
Production Start...
Santa Barbara includes three main underground mines (San Diego, Segovedad and Tecolotes) and a flotation plant and produces lead, copper and zinc concentrates, with significant amounts of silver.


Owners

Source: p. 3, 67
CompanyInterestOwnership
Grupo Mexico S.A. de C.V. 88.87 % Indirect
Ownership Tree
Industrial Minera Mexico, S.A. de C.V. (together with its subsidiaries, the “IMMSA unit”) operates five underground mines that produce zinc, lead, copper, silver and gold, a coal mine and a zinc refinery.

IMMSA’s principal mining facilities include Charcas, Santa Barbara, San Martin, Santa Eulalia and Taxco.

Contractors

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Deposit Type

  • Vein / narrow vein


Summary:

The mineral deposits of Ag-Pb-Zn quartz veins of the Santa Bárbara mining district are hosted in sedimentary rocks of the Cretaceous formed by carbonaceous shales and calcareous siltstones and minor lenses of limestone of the Parral Formation. The hydrothermal solutions, possibly emanating from an intrusive body suspected to be at depth, were introduced in into the fracture systems (Scott, 1958). According to the mineralogy of the veins, which includes sphalerite, galena, chalcopyrite, pyrite, and arsenopyrite, the deposit is considered as hypothermal formed at high temperature according to Lindgren’s classification.

The pre-mineral rock types found at Santa Barbara consist of a thick calcareous shale formation and andesite flows. The postmineral rock types consist of dikes and sills of rhyolite and diabase, a thin conglomerate formation, basalt flows, and unconsolidated stream sediments. Pre-mineral faulting took place in two stages, forming four fault systems. All faults within each system have similar strike and dip. Movement along these faults, vertical in the first-stage faults and horizontal in the second stage faults, formed openings and breccia zones.

Hydrothermal solutions, emanating from depth, were introduced into the faults. The walls and breccia fragments within the faults were silicified, and the high-temperature silicates, garnet, pyroxene, and epidote were formed. Accompanying and following the formation of the silicates, the sulfides, su ........


Mining Methods

  • Cut & Fill
  • Shrinkage stoping
  • Bench stoping
  • Longhole open stoping


Summary:

Santa Barbara includes three main underground mines (San Diego, Segovedad and Tecolotes). The mining operations at Santa Barbara are more diverse and complex than any of the other mines in Companys Mexican operations, with veins that aggregate approximately 21 kilometers in length.

Due to the variable characteristics of the ore bodies, four types of mining methods are used: shrinkage stoping, long-hole drilled open stoping, cut-and-fill stoping and horizontal bench stoping.


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityProductUnits2021202020192018201720162015
Zinc Metal in concentrate M lbs  ......  Subscription required  ......  Subscription required  ......  Subscription required56546472
Lead Metal in concentrate M lbs  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Metal in concentrate M lbs  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Metal in concentrate kg  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Metal in concentrate kg  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Zinc Concentrate kt  ......  Subscription required  ......  Subscription required49465561
Lead Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
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Operational Metrics:

Metrics202120202019201820172016
Tonnes milled  ......  Subscription required  ......  Subscription required1,637 kt1,671 kt1,337 kt1,525 kt
Annual milling capacity  ......  Subscription required  ......  Subscription required2,190 kt2,190 kt2,190 kt2,190 kt
Daily milling capacity  ......  Subscription required  ......  Subscription required5,800 t
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Reserves at December 31, 2021:
The NSR values is above/below a CoG of the operating unit cost of US$79.29/t.

CategoryTonnage CommodityGradeContained Metal
Indicated 22,534 kt Zinc 3.24 % 730.6 kt
Indicated 22,534 kt Lead 1.92 % 433.7 kt
Indicated 22,534 kt Copper 0.53 % 120.2 kt
Indicated 22,534 kt Silver 101 g/t 72,822 koz
Indicated 22,534 kt Gold 0.3 g/t 219 koz
Inferred 19,357 kt Zinc 3.89 % 753.3 kt
Inferred 19,357 kt Lead 2.35 % 454.2 kt
Inferred 19,357 kt Copper 0.55 % 105.8 kt
Inferred 19,357 kt Silver 102 g/t 63,722 koz
Inferred 19,357 kt Gold 0.19 g/t 117 koz

Financials:

Units202120202019201820172016
Book Value M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 64.5   65.9   65.4  
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Heavy Mobile Equipment as of December 31, 2013:
HME TypeQuantity
Scoop Tram ....................... Subscription required
Truck (haul) ....................... Subscription required
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 23, 2022
Subscription required - Subscription is required.

Staff:

EmployeesTotal WorkforceYear
Subscription required 2021
Subscription required 2014

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Form 10-K 2018
Annual Report 2017
Form 10-K 2017
Annual Report 2016
Form 10-K 2016
Annual Report 2015
Form 10-K 2015
Annual Report 2014
Form 10-K 2014
Form 10-K 2013
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